/****************************************************************************
 *
 * Copyright (C) 2003-2008 Los Alamos National Security, LLC
 *                         Packet Analytics Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation.  You may not use, modify or
 * distribute this program under any other version of the GNU General
 * Public License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 ****************************************************************************/
package nfse.dataset.netflow;
import java.io.*;

public class NetflowFileFilter implements FileFilter {

    String dirPath = "/n/lfap/flows/";

    String startDate = "";

    String endDate = "";

    public NetflowFileFilter(String start, String end) {
        startDate = start;
        endDate = end;
    }

    public boolean accept(File file) {
        if (file.isDirectory())
            return false;
        if (!file.getName().startsWith("flows.20"))
            return false;
        String fileName = file.getName().substring(0,14);
        if ((startDate.length() == 0) && (endDate.length() == 0)) {
            
                return true;
            
        } else if ((startDate.length() > 0) && (endDate.length() == 0)) {
            if ((fileName.compareTo("flows." + startDate) <= 0)) {
                return true;
            }
        } else {
            //System.out.println(file.getName() + ", " + fileName + ", flows." + startDate + ", flows." + endDate);
            if ((fileName.compareTo("flows." + startDate) >= 0) && (fileName.compareTo("flows." + endDate) <= 0) ) {
                return true;
            }
        }
        return false;
    }
}